24.2 Features
The following are key features of the RTC module:
- 32-bit counter with 10-bit prescaler
- Multiple clock sources
- 32-bit or 16-bit counter mode
- Two 32-bit or four 16-bit compare values
- Clock/Calendar mode
- Time in seconds, minutes, and hours (12/24)
- Date in day of month, month, and year
- Leap year correction
- Digital prescaler correction/tuning for increased accuracy
- Overflow, alarm/compare match and
prescaler interrupts and events
- Optional clear on alarm/compare match
- Four general purpose registers
- Tamper Detection
- Up to 8 static tamper inputs with programmable level detection
- Up to 8 inputs and 8 outputs dynamic tamper (Active layer protection)
- Support for any kinds of static and dynamic combinations
- Timestamp on tampers event